be15856f61
Change copyrights and license headers from Nokia to Digia Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
140 lines
3.8 KiB
C++
140 lines
3.8 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** This file is part of the QtCore module of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** You may use this file under the terms of the BSD license as follows:
|
|
**
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
|
|
** of its contributors may be used to endorse or promote products derived
|
|
** from this software without specific prior written permission.
|
|
**
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QtCore>
|
|
#include <stdio.h>
|
|
|
|
//! [0]
|
|
class PingEvent : public QEvent
|
|
{
|
|
public:
|
|
PingEvent() : QEvent(QEvent::Type(QEvent::User+2))
|
|
{}
|
|
};
|
|
|
|
class PongEvent : public QEvent
|
|
{
|
|
public:
|
|
PongEvent() : QEvent(QEvent::Type(QEvent::User+3))
|
|
{}
|
|
};
|
|
//! [0]
|
|
|
|
//! [1]
|
|
class Pinger : public QState
|
|
{
|
|
public:
|
|
Pinger(QState *parent)
|
|
: QState(parent) {}
|
|
|
|
protected:
|
|
virtual void onEntry(QEvent *)
|
|
{
|
|
machine()->postEvent(new PingEvent());
|
|
fprintf(stdout, "ping?\n");
|
|
}
|
|
};
|
|
//! [1]
|
|
|
|
//! [3]
|
|
class PongTransition : public QAbstractTransition
|
|
{
|
|
public:
|
|
PongTransition() {}
|
|
|
|
protected:
|
|
virtual bool eventTest(QEvent *e) {
|
|
return (e->type() == QEvent::User+3);
|
|
}
|
|
virtual void onTransition(QEvent *)
|
|
{
|
|
machine()->postDelayedEvent(new PingEvent(), 500);
|
|
fprintf(stdout, "ping?\n");
|
|
}
|
|
};
|
|
//! [3]
|
|
|
|
//! [2]
|
|
class PingTransition : public QAbstractTransition
|
|
{
|
|
public:
|
|
PingTransition() {}
|
|
|
|
protected:
|
|
virtual bool eventTest(QEvent *e) {
|
|
return (e->type() == QEvent::User+2);
|
|
}
|
|
virtual void onTransition(QEvent *)
|
|
{
|
|
machine()->postDelayedEvent(new PongEvent(), 500);
|
|
fprintf(stdout, "pong!\n");
|
|
}
|
|
};
|
|
//! [2]
|
|
|
|
//! [4]
|
|
int main(int argc, char **argv)
|
|
{
|
|
QCoreApplication app(argc, argv);
|
|
|
|
QStateMachine machine;
|
|
QState *group = new QState(QState::ParallelStates);
|
|
group->setObjectName("group");
|
|
//! [4]
|
|
|
|
//! [5]
|
|
Pinger *pinger = new Pinger(group);
|
|
pinger->setObjectName("pinger");
|
|
pinger->addTransition(new PongTransition());
|
|
|
|
QState *ponger = new QState(group);
|
|
ponger->setObjectName("ponger");
|
|
ponger->addTransition(new PingTransition());
|
|
//! [5]
|
|
|
|
//! [6]
|
|
machine.addState(group);
|
|
machine.setInitialState(group);
|
|
machine.start();
|
|
|
|
return app.exec();
|
|
}
|
|
//! [6]
|